Flanges Forging process
At present, the flange in the pipe has a wide range of use and promotion, because the scope of application and use of different environments, therefore, need to follow the appropriate way and method of use.
Flange forging process is generally composed of the following processes, that is, excellent billet selection, heating, forming, forging after cooling. Forging process methods are free forging, forging and fetal membrane forging. Production, according to the size of forging the size of the production of the number of batches of different casting methods.
Flange is used for media conditions to moderate the environment, such as low-pressure non-purified compressed air, low pressure circulating water, its advantage is cheaper price comparison. Flange sealing surface can be divided into smooth, concave and convex and tongue and groove three. Smooth flange of the application of a wide range of other two ways in the use of the flange is also more contrast. Flange structure is reasonable, the strength and stiffness of the larger, withstand high temperature and pressure, repeated bending and temperature fluctuations and other harsh environments, and will not drop the sealing performance.
Flange is used for media conditions to moderate the environment, such as low-pressure non-purified compressed air, low pressure circulating water, its advantage is cheaper price comparison. Flange sealing surface can be divided into smooth, concave and convex and tongue and groove three. Smooth flange of the application of a wide range of other two ways in the use of the flange is also more contrast. The flange has a reasonable structure, strong strength and stiffness, withstand high temperature and pressure, repeated bending and temperature fluctuations and other harsh environments, and will not drop the sealing performance
Flange: The flange is similar to a sliding flange, but the hole is threaded. Its main advantage is that it can be welded without assembly, in the ordinary interpretation of atmospheric temperature in the use of low-voltage services and extremely explosive areas, welding creates a danger. Slip the flange: the sliding flange has a lower hub because the pipe enters the single flange before welding. It is welded inside and outside to provide sufficient strength to prevent leakage. Sliding the flanges, are boring slightly larger outside the pipe matching. They are superior to the neck flange of the welding, due to the low initial cost of many users, but the final installation cost is probably not going to be due to the increase in the welding neck less.
Lap Flange: The lap flange is actually exactly the same as the sliding flange, unless it is a radius between the hole and the flange race. It is necessary to have a radius of the flange to accommodate the end of the stub. Typically, the lap and the lap will be mated together at the end of the assembly system.
